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path: root/modules/prefer-plain/plugin/config-ui.c
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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gtk/gtk.h>
#include <glib/gi18n.h>

#include <mail/em-config.h>

GtkWidget *prefer_plain_page_factory (EPlugin *ep, EConfigHookItemFactoryData *hook_data);

enum {
    EPP_NORMAL,
    EPP_PREFER,
    EPP_TEXT
};

static GSettings *epp_settings = NULL;
static gint epp_mode = -1;
static gboolean epp_show_suppressed = TRUE;

static struct {
    const gchar *key;
    const gchar *label;
    const gchar *description;
} epp_options[] = {
    { "normal",
      N_("Show HTML if present"),
      N_("Let Evolution choose the best part to show.") },

    { "prefer_plain",
      N_("Show plain text if present"),
      N_("Show plain text part, if present, otherwise "
         "let Evolution choose the best part to show.") },

    { "only_plain",
      N_("Only ever show plain text"),
      N_("Always show plain text part and make attachments "
         "from other parts, if requested.") },
};

static void
update_info_label (GtkWidget *info_label,
                   guint mode)
{
    gchar *str = g_strconcat ("<i>", _(epp_options[mode > 2 ? 0 : mode].description), "</i>", NULL);

    gtk_label_set_markup (GTK_LABEL (info_label), str);

    g_free (str);
}

static void
epp_mode_changed (GtkComboBox *dropdown,
                  GtkWidget *info_label)
{
    epp_mode = gtk_combo_box_get_active (dropdown);
    if (epp_mode > 2)
        epp_mode = 0;

    g_settings_set_string (epp_settings, "mode", epp_options[epp_mode].key);
    update_info_label (info_label, epp_mode);
}

static void
epp_show_suppressed_toggled (GtkToggleButton *check,
                             gpointer data)
{
    g_return_if_fail (check != NULL);

    epp_show_suppressed = gtk_toggle_button_get_active (check);
    g_settings_set_boolean (epp_settings, "show-suppressed", epp_show_suppressed);
}

GtkWidget *
prefer_plain_page_factory (EPlugin *epl,
                           struct _EConfigHookItemFactoryData *data)
{
    GtkComboBox *dropdown;
    GtkCellRenderer *cell;
    GtkListStore *store;
    GtkWidget *dropdown_label, *info, *check;
    guint i;
    GtkTreeIter iter;

    if (data->old)
        return data->old;

    check = gtk_check_button_new_with_mnemonic (_("Show s_uppressed HTML parts as attachments"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), epp_show_suppressed);
    gtk_widget_show (check);
    g_signal_connect (
        check, "toggled",
        G_CALLBACK (epp_show_suppressed_toggled), NULL);

    dropdown = (GtkComboBox *) gtk_combo_box_new ();
    cell = gtk_cell_renderer_text_new ();
    store = gtk_list_store_new (1, G_TYPE_STRING);
    for (i = 0; i < G_N_ELEMENTS (epp_options); i++) {
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter, 0, _(epp_options[i].label), -1);
    }

    gtk_cell_layout_pack_start ((GtkCellLayout *) dropdown, cell, TRUE);
    gtk_cell_layout_set_attributes ((GtkCellLayout *) dropdown, cell, "text", 0, NULL);
    gtk_combo_box_set_model (dropdown, (GtkTreeModel *) store);
    /*gtk_combo_box_set_active(dropdown, -1);*/
    gtk_combo_box_set_active (dropdown, epp_mode);
    gtk_widget_show ((GtkWidget *) dropdown);

    dropdown_label = gtk_label_new_with_mnemonic (_("HTML _Mode"));
    gtk_widget_show (dropdown_label);
    gtk_label_set_mnemonic_widget (GTK_LABEL (dropdown_label), (GtkWidget *) dropdown);

    info = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (info), 0.0, 0.5);
    gtk_label_set_line_wrap (GTK_LABEL (info), TRUE);

    gtk_widget_show (info);
    update_info_label (info, epp_mode);

    g_signal_connect (
        dropdown, "changed",
        G_CALLBACK (epp_mode_changed), info);

    g_object_get (data->parent, "n-rows", &i, NULL);
    gtk_table_attach ((GtkTable *) data->parent, check, 0, 2, i, i + 1, GTK_FILL | GTK_EXPAND, 0, 0, 0);
    gtk_table_attach ((GtkTable *) data->parent, dropdown_label, 0, 1, i + 1, i + 2, 0, 0, 0, 0);
    gtk_table_attach ((GtkTable *) data->parent, (GtkWidget *) dropdown, 1, 2, i + 1, i + 2, GTK_FILL | GTK_EXPAND, 0, 0, 0);
    gtk_table_attach ((GtkTable *) data->parent, info, 1, 2, i + 2, i + 3, GTK_FILL | GTK_EXPAND, 0, 0, 0);

    /* since this isnt dynamic, we don't need to track each item */

    return (GtkWidget *) dropdown;
}

gint e_plugin_lib_enable (EPlugin *ep, gint enable);

gint
e_plugin_lib_enable (EPlugin *ep,
                     gint enable)
{
    gchar *key;
    gint i;

    if (epp_settings || epp_mode != -1)
        return 0;

    if (enable) {

        epp_settings = g_settings_new ("org.gnome.evolution.plugin.prefer-plain");
        key = g_settings_get_string (epp_settings, "mode");
        if (key) {
            for (i = 0; i < G_N_ELEMENTS (epp_options); i++) {
                if (!strcmp (epp_options[i].key, key)) {
                    epp_mode = i;
                    break;
                }
            }
            g_free (key);
        } else {
            epp_mode = 0;
        }

        epp_show_suppressed = g_settings_get_boolean (epp_settings, "show-suppressed");
    } else {
        if (epp_settings) {
            g_object_unref (epp_settings);
            epp_settings = NULL;
        }
    }

    return 0;
}